mirror of
https://github.com/TeamPiped/Piped.git
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Simplify export and filter manifests from dash generation.
This commit is contained in:
Kavin
parent
bf0fb000e3
commit
acff16a8d4
2 changed files with 183 additions and 179 deletions
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@ -283,9 +283,10 @@ export default {
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mime = "application/x-mpegURL";
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} else if (this.video.audioStreams.length > 0 && !lbry && MseSupport) {
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if (!this.video.dash) {
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const dash = (
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await import("@/utils/DashUtils.js").then(mod => mod.default)
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).generate_dash_file_from_formats(streams, this.video.duration);
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const dash = (await import("../utils/DashUtils.js")).generate_dash_file_from_formats(
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streams,
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this.video.duration,
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);
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uri = "data:application/dash+xml;charset=utf-8;base64," + btoa(dash);
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} else {
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@ -4,201 +4,204 @@ import { Buffer } from "buffer";
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window.Buffer = Buffer;
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import { json2xml } from "xml-js";
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const DashUtils = {
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generate_dash_file_from_formats(VideoFormats, VideoLength) {
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const generatedJSON = this.generate_xmljs_json_from_data(VideoFormats, VideoLength);
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return json2xml(generatedJSON);
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},
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generate_xmljs_json_from_data(VideoFormatArray, VideoLength) {
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const convertJSON = {
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declaration: {
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attributes: {
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version: "1.0",
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encoding: "utf-8",
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},
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export function generate_dash_file_from_formats(VideoFormats, VideoLength) {
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const generatedJSON = generate_xmljs_json_from_data(VideoFormats, VideoLength);
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return json2xml(generatedJSON);
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}
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function generate_xmljs_json_from_data(VideoFormatArray, VideoLength) {
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const convertJSON = {
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declaration: {
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attributes: {
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version: "1.0",
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encoding: "utf-8",
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},
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elements: [
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{
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type: "element",
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name: "MPD",
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attributes: {
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xmlns: "urn:mpeg:dash:schema:mpd:2011",
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profiles: "urn:mpeg:dash:profile:full:2011",
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minBufferTime: "PT1.5S",
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type: "static",
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mediaPresentationDuration: `PT${VideoLength}S`,
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},
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elements: [
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{
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type: "element",
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name: "Period",
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elements: this.generate_adaptation_set(VideoFormatArray),
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},
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],
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},
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elements: [
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{
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type: "element",
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name: "MPD",
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attributes: {
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xmlns: "urn:mpeg:dash:schema:mpd:2011",
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profiles: "urn:mpeg:dash:profile:full:2011",
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minBufferTime: "PT1.5S",
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type: "static",
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mediaPresentationDuration: `PT${VideoLength}S`,
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},
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],
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};
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return convertJSON;
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},
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generate_adaptation_set(VideoFormatArray) {
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const adaptationSets = [];
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elements: [
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{
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type: "element",
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name: "Period",
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elements: generate_adaptation_set(VideoFormatArray),
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},
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],
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},
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],
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};
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return convertJSON;
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}
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let mimeAudioObjs = [];
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function generate_adaptation_set(VideoFormatArray) {
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const adaptationSets = [];
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VideoFormatArray.forEach(videoFormat => {
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// the dual formats should not be used
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if (videoFormat.mimeType.indexOf("video") != -1 && !videoFormat.videoOnly) {
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let mimeAudioObjs = [];
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VideoFormatArray.forEach(videoFormat => {
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// the dual formats should not be used
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if (
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(videoFormat.mimeType.includes("video") && !videoFormat.videoOnly) ||
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videoFormat.mimeType.includes("application")
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) {
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return;
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}
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const audioTrackId = videoFormat.audioTrackId;
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const mimeType = videoFormat.mimeType;
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for (let i = 0; i < mimeAudioObjs.length; i++) {
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const mimeAudioObj = mimeAudioObjs[i];
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if (mimeAudioObj.audioTrackId == audioTrackId && mimeAudioObj.mimeType == mimeType) {
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mimeAudioObj.videoFormats.push(videoFormat);
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return;
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}
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}
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const audioTrackId = videoFormat.audioTrackId;
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const mimeType = videoFormat.mimeType;
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for (let i = 0; i < mimeAudioObjs.length; i++) {
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const mimeAudioObj = mimeAudioObjs[i];
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if (mimeAudioObj.audioTrackId == audioTrackId && mimeAudioObj.mimeType == mimeType) {
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mimeAudioObj.videoFormats.push(videoFormat);
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return;
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}
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}
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mimeAudioObjs.push({
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audioTrackId,
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mimeType,
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videoFormats: [videoFormat],
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});
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mimeAudioObjs.push({
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audioTrackId,
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mimeType,
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videoFormats: [videoFormat],
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});
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});
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mimeAudioObjs.forEach(mimeAudioObj => {
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const adapSet = {
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type: "element",
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name: "AdaptationSet",
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attributes: {
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id: mimeAudioObj.audioTrackId,
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lang: mimeAudioObj.audioTrackId?.substr(0, 2),
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mimeType: mimeAudioObj.mimeType,
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startWithSAP: "1",
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subsegmentAlignment: "true",
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},
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elements: [],
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};
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mimeAudioObjs.forEach(mimeAudioObj => {
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const adapSet = {
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type: "element",
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name: "AdaptationSet",
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attributes: {
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id: mimeAudioObj.audioTrackId,
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lang: mimeAudioObj.audioTrackId?.substr(0, 2),
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mimeType: mimeAudioObj.mimeType,
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startWithSAP: "1",
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subsegmentAlignment: "true",
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},
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elements: [],
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};
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let isVideoFormat = false;
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let isVideoFormat = false;
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if (mimeAudioObj.mimeType.includes("video")) {
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isVideoFormat = true;
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}
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if (mimeAudioObj.mimeType.includes("video")) {
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isVideoFormat = true;
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}
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if (isVideoFormat) {
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adapSet.attributes.scanType = "progressive";
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}
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for (var i = 0; i < mimeAudioObj.videoFormats.length; i++) {
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const videoFormat = mimeAudioObj.videoFormats[i];
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if (isVideoFormat) {
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adapSet.attributes.scanType = "progressive";
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adapSet.elements.push(generate_representation_video(videoFormat));
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} else {
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adapSet.elements.push(generate_representation_audio(videoFormat));
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}
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}
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for (var i = 0; i < mimeAudioObj.videoFormats.length; i++) {
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const videoFormat = mimeAudioObj.videoFormats[i];
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if (isVideoFormat) {
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adapSet.elements.push(this.generate_representation_video(videoFormat));
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} else {
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adapSet.elements.push(this.generate_representation_audio(videoFormat));
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}
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}
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adaptationSets.push(adapSet);
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});
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return adaptationSets;
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}
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adaptationSets.push(adapSet);
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});
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return adaptationSets;
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},
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generate_representation_audio(Format) {
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const representation = {
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type: "element",
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name: "Representation",
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attributes: {
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id: Format.itag,
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codecs: Format.codec,
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bandwidth: Format.bitrate,
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function generate_representation_audio(Format) {
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const representation = {
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type: "element",
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name: "Representation",
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attributes: {
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id: Format.itag,
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codecs: Format.codec,
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bandwidth: Format.bitrate,
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},
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elements: [
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{
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type: "element",
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name: "AudioChannelConfiguration",
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attributes: {
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schemeIdUri: "urn:mpeg:dash:23003:3:audio_channel_configuration:2011",
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value: "2",
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},
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},
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elements: [
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{
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type: "element",
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name: "AudioChannelConfiguration",
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attributes: {
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schemeIdUri: "urn:mpeg:dash:23003:3:audio_channel_configuration:2011",
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value: "2",
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{
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type: "element",
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name: "BaseURL",
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elements: [
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{
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type: "text",
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text: Format.url,
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},
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},
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{
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type: "element",
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name: "BaseURL",
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elements: [
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{
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type: "text",
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text: Format.url,
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},
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],
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},
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{
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type: "element",
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name: "SegmentBase",
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attributes: {
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indexRange: `${Format.indexStart}-${Format.indexEnd}`,
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},
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elements: [
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{
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type: "element",
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name: "Initialization",
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attributes: {
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range: `${Format.initStart}-${Format.initEnd}`,
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},
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},
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],
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},
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],
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};
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return representation;
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},
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generate_representation_video(Format) {
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const representation = {
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type: "element",
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name: "Representation",
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attributes: {
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id: Format.itag,
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codecs: Format.codec,
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bandwidth: Format.bitrate,
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width: Format.width,
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height: Format.height,
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maxPlayoutRate: "1",
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frameRate: Format.fps,
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],
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},
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elements: [
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{
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type: "element",
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name: "BaseURL",
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elements: [
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{
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type: "text",
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text: Format.url,
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},
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],
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{
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type: "element",
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name: "SegmentBase",
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attributes: {
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indexRange: `${Format.indexStart}-${Format.indexEnd}`,
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},
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{
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type: "element",
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name: "SegmentBase",
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attributes: {
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indexRange: `${Format.indexStart}-${Format.indexEnd}`,
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elements: [
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{
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type: "element",
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name: "Initialization",
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attributes: {
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range: `${Format.initStart}-${Format.initEnd}`,
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},
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},
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elements: [
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{
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type: "element",
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name: "Initialization",
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attributes: {
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range: `${Format.initStart}-${Format.initEnd}`,
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},
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},
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],
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},
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],
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};
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return representation;
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},
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};
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],
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},
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],
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};
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return representation;
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}
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export default DashUtils;
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function generate_representation_video(Format) {
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const representation = {
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type: "element",
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name: "Representation",
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attributes: {
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id: Format.itag,
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codecs: Format.codec,
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bandwidth: Format.bitrate,
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width: Format.width,
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height: Format.height,
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maxPlayoutRate: "1",
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frameRate: Format.fps,
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},
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elements: [
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{
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type: "element",
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name: "BaseURL",
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elements: [
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{
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type: "text",
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text: Format.url,
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},
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],
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},
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{
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type: "element",
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name: "SegmentBase",
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attributes: {
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indexRange: `${Format.indexStart}-${Format.indexEnd}`,
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},
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elements: [
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{
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type: "element",
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name: "Initialization",
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attributes: {
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range: `${Format.initStart}-${Format.initEnd}`,
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},
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},
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],
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},
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],
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};
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return representation;
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}
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